Touching the Asteroid (2020) | Full Documentary | NOVA

If spacecraft OSIRIS-REx can grab a piece of an asteroid and bring it to Earth, scientists could gain insight into our planet's origins—and even how to defend against rogue asteroids. But NASA only gets three shots at collecting a sample. Welcome to PBS America, a channel curated for an international audience from America's Public Broadcasting Service, PBS. This is a factual focussed channel including award-winning American history, current affairs and science.

Courtesy of PBS America on YouTube. Watch on YouTube ↗

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